Cove DW2451ADA
Not ENERGY STAR certified
Standard dishwasher · 10 place settings
Inthis dishwasher costs
about $3 a month
$41 a year
An estimate at your state's average rate — not a guarantee of your bill.
The yellow sticker says $32 a year.
You'll pay $9 more.
Sticker uses 14¢ per kWh. The U.S. average is 18.0¢ per kWh.
Energy use
225 kWh a year
vs similar standard dishwasher
-7%
Cheaper dishwashers, same size
ENERGY STAR lists 2 other certified models at the same 225 kWh a year, size and type, so everything on this page applies to them too.
Cheaper to run, same size
- Miele G 5892 SCVi SLStandard dishwasher · 10 place settings$36
- Miele G 5482 SCVi SLStandard dishwasher · 10 place settings$40
A year at the U.S. average residential rate.
Cost in every state
225 kWh a year × each state's average residential rate (EIA 12-month average through July 2026).
| State | Rate | Per year | Per month |
|---|---|---|---|
| Hawaii | 43.7¢ | $98 | about $8 a month |
| California | 33.1¢ | $75 | about $6 a month |
| Massachusetts | 30.4¢ | $68 | about $6 a month |
| Rhode Island | 29.4¢ | $66 | about $6 a month |
| Maine | 29.3¢ | $66 | about $5 a month |
| New York | 28.4¢ | $64 | about $5 a month |
| Connecticut | 28.2¢ | $63 | about $5 a month |
| Alaska | 27.0¢ | $61 | about $5 a month |
| New Hampshire | 26.8¢ | $60 | about $5 a month |
| District of Columbia | 24.2¢ | $54 | about $5 a month |
Show all 52 statesShow fewer
| Vermont | 23.9¢ | $54 | about $4 a month |
|---|---|---|---|
| New Jersey | 23.6¢ | $53 | about $4 a month |
| Maryland | 22.3¢ | $50 | about $4 a month |
| Michigan | 21.0¢ | $47 | about $4 a month |
| Pennsylvania | 20.8¢ | $47 | about $4 a month |
| Illinois | 19.0¢ | $43 | about $4 a month |
| Wisconsin | 18.8¢ | $42 | about $4 a month |
| Ohio | 18.3¢ | $41 | about $3 a month |
| U.S. average | 18.0¢ | $41 | about $3 a month |
| Delaware | 18.0¢ | $40 | about $3 a month |
| Indiana | 17.1¢ | $38 | about $3 a month |
| Virginia | 16.6¢ | $37 | about $3 a month |
| Colorado | 16.6¢ | $37 | about $3 a month |
| Alabama | 16.5¢ | $37 | about $3 a month |
| Minnesota | 16.2¢ | $37 | about $3 a month |
| Texas | 16.0¢ | $36 | about $3 a month |
| South Carolina | 15.7¢ | $35 | about $3 a month |
| West Virginia | 15.7¢ | $35 | about $3 a month |
| Oregon | 15.6¢ | $35 | about $3 a month |
| Arizona | 15.5¢ | $35 | about $3 a month |
| Florida | 15.4¢ | $35 | about $3 a month |
| New Mexico | 15.2¢ | $34 | about $3 a month |
| Kansas | 15.1¢ | $34 | about $3 a month |
| Georgia | 15.1¢ | $34 | about $3 a month |
| Mississippi | 14.9¢ | $34 | about $3 a month |
| North Carolina | 14.9¢ | $33 | about $3 a month |
| South Dakota | 14.3¢ | $32 | about $3 a month |
| Washington | 14.2¢ | $32 | about $3 a month |
| Wyoming | 14.2¢ | $32 | about $3 a month |
| Iowa | 14.1¢ | $32 | about $3 a month |
| Kentucky | 14.0¢ | $31 | about $3 a month |
| Montana | 13.9¢ | $31 | about $3 a month |
| Missouri | 13.9¢ | $31 | about $3 a month |
| Tennessee | 13.7¢ | $31 | about $3 a month |
| Oklahoma | 13.6¢ | $31 | about $3 a month |
| Nevada | 13.6¢ | $31 | about $3 a month |
| Arkansas | 13.5¢ | $30 | about $3 a month |
| Utah | 13.3¢ | $30 | about $2 a month |
| Louisiana | 13.1¢ | $29 | about $2 a month |
| Nebraska | 12.9¢ | $29 | about $2 a month |
| Idaho | 12.7¢ | $29 | about $2 a month |
| North Dakota | 12.5¢ | $28 | about $2 a month |
What the Cove DW2451ADA costs where electricity is expensive
At Hawaii's average residential rate of 43.7¢ per kWh, the Cove DW2451ADA costs $98 a year — $67 more a year than the label says. The EnergyGuide label estimates $32 a year, because every label in the country is calculated at 14¢ per kWh. At the U.S. average of 18.0¢ per kWh this dishwasher costs $41 a year, and in North Dakota, the cheapest state, $28 a year.
| Where | Rate | Cost a year | vs the label |
|---|---|---|---|
| Hawaii | 43.7¢ per kWh | $98 | +$67 |
| California | 33.1¢ per kWh | $75 | +$43 |
| Massachusetts | 30.4¢ per kWh | $68 | +$37 |
| Rhode Island | 29.4¢ per kWh | $66 | +$35 |
| Maine | 29.3¢ per kWh | $66 | +$34 |
| North Dakota | 12.5¢ per kWh | $28 | −$3 |
Electricity prices: EIA 12-month average through July 2026, residential sector, average revenue per kWh. Label figure calculated at 14¢ per kWh, the rate the FTC requires on labels.
Full specs
At the U.S. average residential rate this one costs $41 a year — about 7% cheaper to run than the average standard dishwasher ($44 a year across 1,012 certified models).
Every model on this scale is ENERGY STAR certified. Range across 1012 standard dishwashers, priced a year at the U.S. average residential rate.
- Brand
- Cove
- Model number
- DW2451ADA
- Type
- Standard dishwasher
- Capacity
- 10 place settings
- Annual energy use
- 225 kWh a year
- Water use
- 3.2 gallons/cycle
- ENERGY STAR Most Efficient
- No
- Product class
- Standard size dishwasher
- EnergyGuide label
- https://www.subzero-wolf.com/-/media/files/united-states/product-downloads/sub-zero-wolf/energy-guides/dw2451ADA-energy-guide.pdf
Where to buy
We do not sell appliances. These open a search on the retailer's own site.
Common questions
+How much does the Cove DW2451ADA cost to run per month?
about $3 a month at the U.S. average residential rate of 18.0¢ per kWh, or $41 a year. Your cost depends on your state's rate — see the table above.
+How many kWh does the Cove DW2451ADA use?
225 kWh a year, as the manufacturer filed it with the U.S. Department of Energy, in its compliance certification database.
+Is the Cove DW2451ADA energy efficient?
It is not ENERGY STAR certified — it is filed with the U.S. Department of Energy, which every model on sale must be. It uses about 7% less electricity than the average standard dishwasher (average: 243 kWh a year).
+How does the Cove DW2451ADA compare to the average dishwasher?
The average standard dishwasher in our database uses 243 kWh a year, costing $44 a year at the U.S. average residential rate. The Cove DW2451ADA uses 225 kWh a year, costing $41 a year.
How we calculate this
Annual energy use (225 kWh a year) is the figure the manufacturer filed for this model with the U.S. Department of Energy, in the compliance certification database. Running cost is that figure multiplied by a state's average residential electricity price from the U.S. Energy Information Administration (12-month average through July 2026, average revenue per kWh).
The annual figure for a dishwasher assumes 215 cycles a year under Appendix C1, or 184 under the newer Appendix C2, per the DOE test procedure (10 CFR 430 Subpart B, §430.23(bb)). Full methodology.
Sources: U.S. DOE compliance certification data, updated fortnightly · U.S. EIA electricity prices, 12-month average through July 2026.